20853832844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{823481}}^1$

素因数の和:823985

約数の個数: 24

約数和(自身を含む): 39382203168

約数和(自身を除く): 18528370324

約数列:

[1, 2, 4, 13, 26, 52, 487, 974, 1948, 6331, 12662, 25324, 823481, 1646962, 3293924, 10705253, 21410506, 42821012, 401035247, 802070494, 1604140988, 5213458211, 10426916422, 20853832844]

約数ペア:

[(1, 20853832844), (2, 10426916422), (4, 5213458211), (13, 1604140988), (26, 802070494), (52, 401035247), (487, 42821012), (974, 21410506), (1948, 10705253), (6331, 3293924), (12662, 1646962), (25324, 823481)]